80605802 has 4 divisors (see below), whose sum is σ = 120908706. Its totient is φ = 40302900.

The previous prime is 80605793. The next prime is 80605813. The reversal of 80605802 is 20850608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53158681 + 27447121 = 7291^2 + 5239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151449 + ... + 20151452.

Almost surely, 2^80605802 is an apocalyptic number.

80605802 is a deficient number, since it is larger than the sum of its proper divisors (40302904).

80605802 is a wasteful number, since it uses less digits than its factorization.

80605802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302903.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80605802 is about 8978.0734013484. The cubic root of 80605802 is about 431.9718381562.

The spelling of 80605802 in words is "eighty million, six hundred five thousand, eight hundred two".